Oxidized Welwitindolinones from Terrestrial Fischerella spp

3-Hydroxy-N-methylwelwitindolinone C isonitrile (3), 3-hydroxy-N-methylwelwitindolinone C isothiocyanate (4), and the novel cyclic ether N-methylwelwitindolinone D isonitrile (6) are three new alkaloids from two terrestrial Fischerella spp. belonging to the Stigonemataceae. Photooxidation of N-methy...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1999-04, Vol.62 (4), p.569-572
Hauptverfasser:	Jimenez, Jorge I, Huber, Udo, Moore, Richard E, Patterson, Gregory M. L
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences chemical constituents of plants chemical structure Cyanobacteria Fischerella fischerella major Fischerella muscicola General pharmacology indole alkaloids Medical sciences Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments spectral analysis welwitindolinones
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Zusammenfassung:	3-Hydroxy-N-methylwelwitindolinone C isonitrile (3), 3-hydroxy-N-methylwelwitindolinone C isothiocyanate (4), and the novel cyclic ether N-methylwelwitindolinone D isonitrile (6) are three new alkaloids from two terrestrial Fischerella spp. belonging to the Stigonemataceae. Photooxidation of N-methylwelwitindolinone C isonitrile (1) leads to isonitriles 3 and 6. Isonitrile 3 is readily hydrated to 3-hydroxy-N-methylwelwitindolinone C formamide (5), an artifact produced during the isolation procedure.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np980485t